Greatest Common Factor of 65, 42, 10, 251

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 65, 42, 10, 251 by common division method
• Greatest Common Factor of 65, 42, 10, 251 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 251

List of positive integer factors of 251 that divides 251 without a remainder.

1,251

Greatest Common Factor

We found the factors 65,42,10,251 . The biggest common factor number is the GCF number.
So the greatest common factor 65,42,10,251 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 60, 13, 97, 290
• GCF of 96, 61, 68, 443
• GCF of 33, 21, 32, 528
• GCF of 90, 25, 98, 419
• GCF of 47, 48, 96, 304

1. What is the GCF of 65, 42, 10, 251?

Answer: GCF of 65, 42, 10, 251 is 1.

2. How to Find the GCF of 65, 42, 10, 251

Answer: Greatest Common Factor(GCF) of 65, 42, 10, 251 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(65, 42, 10, 251) = 1.